Question

Pls help it isn't hard I'm just having trouble.
Olive buys clothes at a store with a total bill of 54.50. She has a 20% off coupon and pays 7.5% sales tax. She calculates the total cost of the clothes, using the expression:
(54.50 ÷ 1.20) (1.075).
Explain the error of olives reasoning.
Determine the correct expression and explain your reasoning.

Answer 1

Answer:According to my calculations, an item with an original price tag of $54.50 that is marked down by 20% will have a sales price of $43.60 -- a savings of $10.90.

If you include the sales tax savings ($0.82 ) your total savings would add up to $11.72.

Step-by-step explanation: